/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2015 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.q2.qbean;

import org.jdom.Element;
import org.jpos.core.Configurable;
import org.jpos.core.ConfigurationException;
import org.jpos.q2.QBeanSupport;
import org.jpos.q2.QFactory;
import org.jpos.util.LogListener;
import org.jpos.util.Logger;

import java.util.Iterator;

public class LoggerAdaptor extends QBeanSupport {
	Logger logger;

	protected void initService() {
		logger = Logger.getLogger(getName());
	}

	protected void startService() throws ConfigurationException {
		logger.removeAllListeners();
		Iterator iter = getPersist().getChildren("log-listener").iterator();
		while (iter.hasNext())
			addListener((Element) iter.next());
	}

	protected void stopService() {
		logger.removeAllListeners();
	}

	protected void destroyService() {
		// we don't destroy (that would unregister the logger from the
		// NameRegistrar) because other components might have references
		// to this logger.
		//
		// logger.destroy ();
	}

	private void addListener(Element e)
			throws ConfigurationException {
		QFactory factory = getServer().getFactory();
		String clazz = e.getAttributeValue("class");
		LogListener listener = (LogListener) factory.newInstance(clazz);
		if (listener instanceof Configurable) {
			try {
				((Configurable) listener).setConfiguration(
						factory.getConfiguration(e)
				);
			} catch (ConfigurationException ex) {
				throw new ConfigurationException(ex);
			}
		}

		logger.addListener(listener);
	}
}

